Mold or container packing



- April 2, 1946.

w. G. SCHUTT I MOLD OR CONTAINER PACKING 3 Sheets-Sheet l Filed June '7, 1944 INVENTOR. Wa/rer 6. Jim/fl April 2, 1946. w. G. SCHUTT MOLD OR CONTAINER PACKING Filed June 7,' 1944 3 Sheets-Sheet 2 I .I JL- INVENTOR. Wa/Zer G. JG/70f) April 2, 1946. w. G. scHuTTv ,3

- MOLD OR CONTAINER PACKING Filed June 7, 1944 3 Shejets-Sheet '5 .Fllr 5.

' IIINVENTOR. [Va/fen 6. Jc/iuff v Patented Apr. 2, 194 6 I I v I UNITED STATES PATENT OFFICE MOLD OR CONTAINER PACKING Walter G. Schutt, Adrian, Mich., assignor to Stearns Manufacturing Company, Adrian, Mich, a corporation of Michigan Application June 7, 1944, Serial No. 539,163

6 Claims. (01. 259-12) This invention relates to double-jolt method standing guide tube 38 provided with guide sleeves and means of consolidatin material in molds or I and I6 for guiding the upstanding post l7 other containers. which rises from the anvil;

The object of the invention is primarily to pack A pulley I8 may be used to rotate shaft [9 on concrete molds for molding blocks, tiles, lintles or 6 which are fastened two eccentrics 2| which roother concrete shapes, but obviously the inventate in the eccentric straps or heads 22. An uption has a wider range than this and could be standing connecting rod section 23 slides in a used for packing other containers, such as, plastic suitable bore in the end of the connectin rod molds, barrels, etc. section 8. A pad or wear piece'24 may be pro- The object of the new method and new ap- 10 vided between the eccentric head and the flanged paratus is to give the mold or other container a end of the connecting rod section 8, if desired. sharp jolt in lifting the mold and then a second The operation is as follows: The mold or consharp jolt as the mold or container is dropped tainer M rests on the cross beamsi; This may be back upon the anvil or platform. In lifting the a mold with or without suitable cores; it maybe a mold or container, the first jolt is followed by a container such as a barrel to be packed or any deceleration of the speed of lifting so as to insure other receptacle requiring the proper shaking and the contents of the mold or container remaining compacting of'the material. The shaft i9 is roin place and not being thrown out. tated at fairly high speed. This rotates the ec- The nature of the method and character ofthe centric 2|. When the eccentric is at the bottom apparatus will more i'ully appear after a specific of the stroke, as shown in Fig. 6, there is cleardescription is given. ance between the pad or wear plate 24 and the end Referring to the drawings: of the connecting rod section 8. As the eccentric Fig. 1 is a front elevation of the apparatus, rotates clockwise the clearance is decreased, as partly in section. shown in the detail, Fig. 7. When the high part i 2 is a ion on t e l e 2 of Fig. 2 or centerv of the eccentric reaches the left-hand Fig. 3 is a section on the line 33 of Fig. 1. horizontal position, or at substantially this point, Fig. 4 is a section on the line 4-4 of Fig. 1. the wear plate contacts the end of the connecting Fig. 5 is a section on the line 5-5 of Fig, 1. rod at high speeds and-givesthe upper connect- Fig. 6 is a similar section showing the same ing rod section a quick lifting jolt which is, of parts in the position they assume during the noncourse, communicated to the cradle or table 4 jolting phase of the cycle. through the head 5. This movement is resisted Fig. 7 is a detail of the eccentric and the teleby the Springs [0 so as not to give the cradle a scoping connecting rod sections just prior to the throw, but simply a jolt. This jolt serves to efl'eclifting jolt. tively compact the material in the mold or con- Fig. 8 isia vertical section showing the iolting tainer. However, with the eccentric the maxi-': apparatus used with a packer head. mum speed is when the high portion of the ec- The machine includes a pair of anvils I in the centric is in the horizontal position, as shown in form of cross beams which are supported on legs Fig.7. After the high portion of the eccentric 2. There ar a pair of legs and an anvil at each passes the horizontal position there is a progresend of the apparatus. A cradle or table is made 40 sive deceleration. which tends to dampen or curup of the two longitudinal bars 4 and the cross tail the throw of the container and its contents beams 5. These bars 4 are connected at each end to prevent the contents being thrown out at the by a pair of cross heads 6 in which is pivoted the top. The movement of the eccentric. then is reupper end I of the. connecting rod 8, the conversed as the high point or center of the ecnecting rod pin 9 serving to make this conneccentric reaches the vertical and there is a protion. The spring I 0 bearing against the fixed essi e fi r rn Speed-until the hi h D0 bracket H tends to push the cross head d tion or center of the eccentric reaches the horiwardly and thereby push the table or cradle 4 zontal position and thereupon the cradle or platdownwardly, causing the anvil bars I3 to rest on form is dropped on the anvil at the highest downthe anvils I (see Fig. 2). These anvil bar l3 are ward speed of the eccentric and here receives a in the form of a cross beam bridging from longisecond jolt.

tudinal bar I to longitudinal bar I at the opposite In Fig. 8 I have shown the use of my improved side of the cradle. A pad or wear plate It may joltingapparatus with a packer head. This be used between the anvil bar and the anvil, if packer head comprises a head portion 30 which is desired. The anvil bar 13 is provided with an up- 5 provided with upwardly projecting stems 31 that are guided in the sleeves 32 supported on the beams 33'. A lever 34 is pivoted at 35 and hasv sure then is exerted through the spring connections by means of the lever and thevi-bration. or;

jolting is continued for the proper length of time. This finish packs the material and-brings it down to size and finishes the top:' The-packer headis; then raised and latched in the upper position and the concrete unit stripped from: the: mold; or. the

filled container removed from the machine. I

have shown this in the form of a hand machine,

but. obviouslythe operation: could. beotherwise I performed: withi'poweri and: thelevencould: be. re-

placed by other actuating. parts; either hand op erated.v or automatically; operated;

. It .should' be understoodr that the specific:- j olting apparatus,. as here shown, is merelyillustrative-and thatiti may be considerably variedin arranging the position ofithexparta-the actuatingtmembers, etc'.,.and'that it. is-.not.-necessary to my invention: in its? broadest. aspectv to use eccentrics'asithesactuatorsas equivalent means'may be substituted, and thatiiti is: not necessary to have a direct thrust connection: between the revolvin actuator and the.- cradle as this. could. be worked out in other forms of transmittingthe actuating thrust from the rotating actuator. to: the cradle. I have -round the apparatusidescribedi and: illustrated is'effective for theipurpose I have in view; but this v can be considerably modifiedi but still come within the spirit of my: invention.

What I" claim is: r

' 1". I'n-apparatusforcompacting amold or container; the combination: of a-cratlle-or table: arrangedto support-amold orpontainer'having-mat'erial to be compacted; one or more anvils upon which the table rests and means-for translating continuous rotative movement" into controlled reciprocatory' movement? and having lostmotion connections with said table for picking up the table and rapidly raisingthe tablaand' then dropping the table sharply on the anvil's, providing in-the rapid raising operation one jolt, and in the sharprdroppingoperation the secondjolt; and

springs for opposing the overthrow of the table 55 and for causing the table tofollow the actuating means in the, downward movement.

2. In apparatus forcompacting a mold or container; the combination of a table or cradle for supporting a mold or container having. material to be packed", one or more anvils on which the cradle loosely rests, a rotatingiactuator for translating continuous rotative movement into controlled; reciprocat'ory movement and provided wtih suitable lost motion connectionswith the table or cradle forfirst' lifting the table with a sudden jolt and then dropping. the table on the anvils with a second sharp iOIt, the. saidactuator, through part of its cycle of operatiomhaving no actuating connections with the. cradle. -to allow the cradleto be at rest during part of the cycle of rotation of the. actuator, and, means opposing the overthrow of the table. and for causing the 20 tion.

' table to follow the actuator in downward movement. 3. In apparatus for compacting-a mold or container, the combination of a table or cradle for supporting a mold or container having material to be packed, one or more anvils on which the cradle loosely rests, a rotating eccentric actuator provided with lost motion connections with the table or cradle for first-liftingthe table with a; sudden 10 jolt and then dropping" the table on the anvils with a second sharp jolt, the said actuator, through part of its cycle of operation, having no actuating connections with the cradle to allow the cradle to be at rest during part of the cycle of rotation of the actuator, the said transmission connections beiriga connecting rod and a cross head, said connecting rod made up of two connecting rod: sections in telescoping relation which permits actuating movement in only one direcl; Inapparatusfor. compactingaemoldorscontainer, the'combination. oiatable or cradle for. sup-porting a mold or container having material to be packed, one. or. moreanvil's on. which the cradle. loosely rests, a rotating actuator provided with lost motion connectionswith thetableor. cradle for. first 'lifting the. table. with. a sudden jolt and then dropping the table on theanvilswith a second sharp jolt, the said actuator, through part ofitscycle ofpperatiomhaving ndactuating connections with. thecradleto allow the. cradle -to be at rest during. part of the cycle of;rotation of the. actuator, and one or more springs for press-- ing the cradle or table downwardly tolimittheupward throw of the table orcradle and. tocause the table or cradle to followthe actuatorin; its

eccentric, through'part ofiitscycle of operation,

having no actuatingconnections: wit-hthe cradle to allow: the cradleto be-xat rest. during part. of the cycle of rotation of the eccentrim.

6. In. an. apparatus for compacting a: mold or container, the combination. of a. tablev or' cradle.

for supporting a mold or container having. mate:-

table or cradle comprising: arotating eccentric and an eccentricstrap having alost. motion connection with the table or cradle arranged to give the same-a sudden jolt at a point'in the revolution of the" eccentric wheretthe eccentric has a high speed lifting efiect and means for yieldingly pressing the table or cradle downwardlyto preventthe overthrow. of the. table and its contents and for keeping the: table in; speed with the: downward 3 travel of the eccentric after it. has reachedlits highest. point whereby the mold and'its contents are Subjected to a second jolting when the table 7 is pressed downwardly at a-controll'ed speed upon the anvil by the combined action of the eccentric and the yielding means. r

' WALTER G. SCHUTT.

rial to be packed, an: anvil on. which. the table' or cradle loosely rests, and means for jolting the 

